PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-21:27:50
G01     114.2          20.8               14.2 +/-    1.32      30.7 +/-    1.32  0.030 / 0.040
G07     97.8           59.2               15.2 +/-    0.62      17.4 +/-    0.62  0.040 / 0.040
G08     42.8           25.5               12.1 +/-    2.46      23.3 +/-    2.46  0.090 / 0.210
G09     176.6          21.8               13.3 +/-    1.12      28.0 +/-    1.12  0.110 / 0.190
G11     97.8           41.9               14.6 +/-    0.71      20.6 +/-    0.71  0.120 / 0.200
G13     314.7          24.0               10.6 +/-    1.51      21.2 +/-    1.51  0.120 / 0.180
G17     202.0          31.3               14.3 +/-    1.05      24.4 +/-    1.05  0.050 / 0.070
G18     85.6           22.1               13.0 +/-    1.33      27.1 +/-    1.33  0.050 / 0.060
G28     295.8          57.0               12.7 +/-    0.89      14.8 +/-    0.89  0.030 / 0.030
G30     358.1          73.2               13.6 +/-    1.14      14.2 +/-    1.14  0.030 / 0.030